參數(shù)資料
型號: HPMD-7904
英文描述: FBAR Duplexer for US PCS Band
中文描述: 的FBAR雙工器1930.5
文件頁數(shù): 5/8頁
文件大?。?/td> 110K
代理商: HPMD-7904
5
Note that the specifications given
on page 2 are guaranteed when
the duplexer is mounted on a
ground surface with a hole
pattern like that one shown in
Figure 11. See Design Note D007,
Figure 11. Mounting (grounding) Pattern.
0.4 mm diameter plated through holes
typical spacing is 0.77 to 0.9 mm
Rx output
Ant input/output
Duplexer outline shown in dashed line
Tx input
4.256
5.625
±
0.05
4.389
3.881
3.119
2.611
4.763
3.494
2.985
Port 1
Tx
Port 3
Ant
via hole, 0.28 dia
3 places
Port 2
Rx
1.016
0.508
0
0
0
1
3
3
4
5
1
1
1
±
Notes:
View of the duplexer underside, seen from the top.
All dimensions in millimeters.
Pin assignments are as shown above.
Maximum duplexer height is 1.9 mm.
Figure 12. Outline Drawing.
which is available from your
Agilent Technologies technical
support or sales departments.
Note that it is important that
proper heat sinking be provided
in order to remove the heat
generated in the Tx filter by the
handset’s power amplifier.
Failure to do so may result in
excessive losses, especially at the
top end of the Tx band.
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